Donkergrijze epaulet tbv Officier van Gezondheid Kustbewaking (US), met twee zwarte balken en blad Coast artillery Gunners' instruction, mobile seacost artillery, first and second class gunners - USA Voorschrift, Technical Manual, 4-315 Antiaircraft artillery : service of the piece 105-mm antiaircraft gun - USA Coast Artillery Field Manual, FM 4-130 Seacoast artillery : service of the piece 10-inch gun : (disappearing carriage) - USA Coast Artillery Field Manual, FM 4-65 Seacoast artillery : service of the piece 3 -inch rapid-fire gun : (barbette carriage) - USA Coast Artillery Field Manual, FM 4-90 Seacoast artillery : service of the piece 155-mm gun - USA Coast Artillery Field Manual, FM 4-25 Seacoast artillery : service of the piece 14-inch gun, M 1920 M II, on railway mount, M 1920 - USA Coast Artillery Field Manual, FM … Antiaircraft artillery : service of the piece 3-inch antiaircraft gun - USA Coast Artillery Field Manual, FM 4-125 Coast artillery drill regulations Regulations for the instruction and target practice of coast artillery troops Coast artillery drill regulations Symbols for seacoast defense fire-control maps, diagrams, and structures - USA Voorschrift, Technical Regulations, No.